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K L University Department of Electronics and Communication Engineering Course Handout for III-Year B.Tech Program A.Y.2016-17, I-Semester Course Name : Communication Systems Course Code : 13EM202 L-T-P structure : 3-0-2 Course Credits : 4 Course Coordinator : Dr.K.S.Ramesh Course Instructors : Dr.K.S.Ramesh, Mrs. Cynthia Course Teaching Associates : Nil Course Objective : The main objective of this course is to study the principles of communication systems involving different modulation schemes in the background of noise and interference. This course provides broad knowledge of how these systems work from a system engineering view point and an ability to adopt for real-world problems. Course Rationale : This course focuses on the analysis and design of communication systems, with an emphasis on analog and digital systems. The course has pre-requisite of course code 15EC2013. The course begins with analog communication systems where AM and FM modulation systems are discussed. The major details of modulation and demodulation techniques, pulse modulation schemes and application of these techniques to current systems including radio, TV, satellite, cellular and embedded systems. The course helps in better understanding of source coding techniques and estimate the error detection and correction of different codes. Course Outcomes (CO): CO No: CO SO BT L 1 Understand the basic principles of analog and digital modulation and demodulation techniques e 2 2 Explore linear and pulse modulation and demodulation techniques. e 2 1

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K L UniversityDepartment of Electronics and Communication Engineering

Course Handout for III-Year B.Tech Program A.Y.2016-17, I-Semester

Course Name : Communication Systems

Course Code : 13EM202

L-T-P structure : 3-0-2

Course Credits : 4

Course Coordinator : Dr.K.S.Ramesh

Course Instructors : Dr.K.S.Ramesh, Mrs. Cynthia

Course Teaching Associates : Nil

Course Objective : The main objective of this course is to study the principles of communication systems involving different

modulation schemes in the background of noise and interference. This course provides broad knowledge of how these systems

work from a system engineering view point and an ability to adopt for real-world problems.

Course Rationale : This course focuses on the analysis and design of communication systems, with an emphasis on analog and digital systems. The course has pre-requisite of course code 15EC2013. The course begins with analog communication systems where AM and FM modulation systems are discussed. The major details of modulation and demodulation techniques, pulse modulation schemes and application of these techniques to current systems including radio, TV, satellite, cellular and embedded systems. The course helps in better understanding of source coding techniques and estimate the error detection and correction of different codes.

Course Outcomes (CO):

CO No:

CO SO BTL

1 Understand the basic principles of analog and digital modulation and demodulation techniques e 2

2 Explore linear and pulse modulation and demodulation techniques. e 2

3 Elucidate the basic principles of angle modulation and demodulation techniques e 2

4 To design the digital modulation schemes, bandwidth estimation and clock recovery. e 2

5 To analyze basic principles of information theory and coding. k 3

COURSE OUTCOME INDICATORS (COI): 1

CO No. COI-1 COI-2 COI-3

1

Understand the basic principles of amplitude modulation techniques Interpret DSB-SC, SSB and VSB modulation systems.

Evaluate performance of AM systems in terms of bandwidth, power and efficiency. Understand generation and detection of DSB-SC, SSB and VSB.

Understand generation and demodulation of Linear Modulation techniques. Interpret Pulse modulation and demodulation systems.

2Elucidate the basic principles of angle modulation techniques such as phase and frequency modulation.

Evaluate performance of FM systems in terms of bandwidth, power and efficiency.

Explore AM and FM Transmitters and Receivers.

3 Discuss about fundamentals of digital communications.

Evaluate analog signal to Digital signal conversion process.

Application of different modulation and demodulation techniques for developing current digital systems

4To understand basic principles of information theory uncertainty and entropy.

Evaluate estimation and correction techniques.

Analysis of different codes for data communications.

5Design and implementation of concepts and tools for systems related to communications

Evaluation of concepts and tools for communication systems

SYLLABUS:

Amplitude modulation techniques: Introduction to Modulation, Continuous wave AM Generation and Demodualtion of AM: DSB, DSB-SC, SSB and VSB. Phase and frequency modulation, narrow band and wide band FM, Direct and indirect methods of genet=ration of FM demodulation of FM wave.

Transmitters and Receivers: AM transmitter and FM transmitter, Armstrong method receiver, AM Super heterodyne receivers.

Pulse Modulation techniques: Sampling Process, Types of sampling, FDM, TDM, Modulation and Demodulation of PAM, PPM & PWM. S/N ratio of PAM, PPM & PWM. Quantization process, Quantization noise, PCM, DPCM.

Digital Modulation Techniques: ASK, FSK, BPSK, DPSK, QPSK, QAM, Bandwidth Efficiency, Carrier recovery, clock recovery.

Information Theory: Uncertainty, Information, Entropy, Source coding theorem: Shannon-Fannon coding, Huffman coding.

Codes: Linear block codes, Cyclic codes, Convolution codes.

Text books:

1. “Introduction to Analog and Digital Communication Systems” – By Simon Haykan, 2nd, Edition, 2009.2. “Communication Systems”, by Singh R.P and Sapre S.D – TMH. 2009.3. “Advanced Electronic Communication System” – By Wayne Tonmasi, 6th Edition. PHI, 2010.

Reference Books

1. “Analog and digital Communication”--- By Sam K.Shanmugam, Wiley, 2009.2. “Modern Digital & Analog Communication Systems”, -- By B.P. Lathi, 3rd Edition, 2009.COURSE DELIVERY PLAN:

2

Sess. No. CO COI Topic (s) Teaching-Learning

Methods Evaluation Components

1 1 1

Program outcomes and overview of the Analog and digital Communications. Introduction to Analog Communications, Need of modulation.

Lectures, PPT Problem based exercises, quiz

2 1 1

Fourier Analysis and Transmission of Signals, Frequency translation. Single tone full AM; modulation index and efficiency

Lectures, Practicals using Matlab /

Labview

Comprehensive examination, Project based labs, Practical reports, Home assignment, Problem based exercises, quiz and Test-1.

3 1 2

Multi tone and baseband modulation of full AM . AM Generators, Detection of AM waves including Envelope Detector.

Lectures, Problem based exercises, Practicals using

Matlab / Labview

Comprehensive examination, Project based labs, Home assignment, Problem based exercises, quiz and Test-1.

4 1 2DSBSC: Single tone and multi-tone signals, Baseband signals. DSB-SC- Generation and Demodulation.

Lectures, Problem based exercises, Practicals using

Matlab / Labview

Comprehensive examination, Project based labs, Home assignment, quiz and Test-1.

5 1 3SSB generation and Detection. VSB wave Generation and detection Lectures, quiz,

Numerical examples

Comprehensive examination, Project based labs, Practical reports, Home assignment, Problem based exercises, quiz and Test-2.

6 2 1

Introduction Angle modulation, Single-tone Angle Modulation. Phase / Frequency deviation and Modulation indices. Narrowband Frequency Modulation. Wide Band FM, Bandwidth of FM.

Lectures, quiz, Numerical examples,

Practicals using Matlab / Labview

Comprehensive examination, Home assignment, Problem based exercises and quiz and Test-2

7 2 1

Direct FM Generation, FM Detectors. AM transmitters Low & high level modulations. AM receivers, AM Super heterodyne

Lectures, PPT, Numerical examples

Comprehensive examination, Home assignment, Problem based exercises and quiz and Test-2

8 2 1

Receiver parameters and AGC. SSB Transmitters, SSB Transmitters and Receivers. FM Transmitters and Receivers.Pre-emphasis and de-emphasis.

Lectures, Numerical examples

Comprehensive examination, Project based labs, Home assignment, Problem based exercises, quiz and Test-2.

9 2 2 Sampling. Generation and detection of Pulse Amplitude Modulation(PAM)

Lectures, PPT, Practicals using

Matlab / Labview

Comprehensive examination, Home assignment, Problem based exercises, quiz and Internal Test-2.

10 2 2

Generation and detection of Pulse Modulation (PM). Generation and detection of Pulse Position Modulation (PPM).

Lectures, PPT, Practicals using

Matlab / Labview

Comprehensive examination, Home assignment, Problem based exercises, quiz and Internal Test-2.

11 2 3 Quantization process and Quantization Noise

Lectures, PPT, Practicals using

Matlab / Labview

Comprehensive examination, Home assignment, Problem based exercises, quiz and Internal Test-2.

12 2 3 Introduction to pulse code modulation Lectures, Practicals

using Matlab / Labview

Comprehensive examination, Home assignment, Problem based exercises, quiz and Internal Test-2.

13 3 1 PCM generation and detection Lectures, PPT, Comprehensive examination, Project

3

Practicals using Matlab / Labview

based labs, Home assignment, quiz and Test-3.

14 3 1 DPCM, generation and detection Lectures, quiz, Numerical examples

Comprehensive examination, Project based labs, Home assignment, quiz and Test-3.

15 3 2 Introduction to digital modulation techniques ASK, FSK, PSK

Lectures, quiz, Numerical examples

Comprehensive examination, Project based labs, Home assignment, quiz and Test3.

16 3 2 BPSK and DPSK

Lectures, quiz, Numerical examples,

Practicals using Matlab / Labview

Comprehensive examination, Project based labs, Home assignment, quiz and Test3.

17 3 3 QPSK generation and detection Lectures, quiz, Numerical examples

Comprehensive examination, Project based labs, Practical reports, Home assignment; Problem based exercises, quiz and Test3.

18 3 3 QAM generation and detection Lectures, Practicals

using Matlab / Labview

Comprehensive examination, Project based labs, Practical reports, Home assignment, quiz and Test3.

19 4 1 Bandwidth efficiency carrier and clock recovery

Lectures, Practicals using Matlab /

Labview

Comprehensive examination, Project based labs, Practical reports, Home assignment, quiz and Test3.

20 4 1 Introduction to information theory and coding

Lectures, Practicals using Matlab /

Labview

Comprehensive examination, Home assignment and quiz.

21 4 1 Entropy , Source coding theorems Lectures, PPT, quiz Comprehensive examination, Home assignment, Problem based exercises and quiz.

22 4 2 Shannon – Fanon coding Lectures, quiz, Practicals using

Matlab / Labview

Comprehensive examination, Home assignment, Problem based exercises and quiz.

23 4 2 Linear block codes Lectures, quiz Lectures

Comprehensive examination, Home assignment Project based labs, Practical reports, and quiz.

24 4 2 Cyclic and convolution codes LecturesComprehensive examination, Home assignment Project based labs, Practical reports, and quiz.

25 Review of syllabus.26 Review of syllabus.

Session wise Teaching – Learning Plan

4

Session1: Learning Plan: Program outcomes and overview of the Analog Communications. Need of modulation.

Session Outcomes:1. Understand the objectives and Program outcomes.2. Overview of Analog communications.

Time Topic BTL Teaching-Learning Methods

20 Program outcomes and overview of the Analog Communications

20 Sub topic-1 (Lecture)Fundamental purpose of an electronic communications system

2 Lectures, PPT

15 Sub topic-2 (Lecture)Basic electronic communication system and their elements

2 Lectures, Chalk and Talk, Quiz

25 ACTIVE LEARNING: Sub topic-3Need of modulation

2 Numerical Examples, Quiz

15 ACTIVE LEARNING: Sub topic-4electromagnetic frequency spectrum and their propagation

2 Simulation using Matlab/ Labview

05 Conclusions and Summary

Session2: Learning Plan: Fourier Analysis and Transmission of Signals. Single tone full amplitude modulation, AM modulation index, bandwidth and efficiency.Session Outcomes:

1. Understand Fourier analysis of signals and frequency translation.2. Single tone AM modulation and their performance.

Time Topic BTL Teaching-Learning Methods

05 Recap / Introduction

20 Sub topic-1 (Lecture) Understand Fourier analysis of signals and frequency translation

2 Lectures, Problem based learning, PPT

10 Active learning: Verify the frequency translation and its reconstruction in both time domain and frequency domain for various types of signals

2Simulation using Matlab / Labview, Numerical Examples

05 Interactive discussion on frequency translation 2 Chalk and talk, Quiz

20 Sub topic-2 (Lecture)Single tone AM modulation

2 PPT, Chalk board, Lectures

15 Active learning: Verify Single tone AM modulation for various modulation indices.

2Simulation using Matlab / Labview, Numerical Examples

10 Sub topic-3 (Lecture) Voltage, current, power relations and efficiency of single tone AM

2 PPT, Lecture with numerical examples

10 Interactive Discussion on Single tone AM modulation 2 Chalk and talk

05 Conclusions and Summary

5

Session3: Learning Plan: Multi-tone full AM modulation and Baseband full AM modulation.

Session Outcomes:1. Understand Multi-tone and Baseband AM modulation.2. Evaluate the performance of AM systems.

Time Topic BTL Teaching-Learning Methods

05 Recap / Introduction

20 Sub topic-1: AM generation using square-law modulator 2 PPT, Lectures, Chalk and board

10 Interactive discussion: differentiate and compare various AM generation 2 Chalk and board, Quiz

15 Active learning: Sub topic- 2: AM detection techniques 2 PPT, Chalk and board

20 Interactive discussion: differentiate and compare various AM detection techniques

2 Chalk and board, Quiz

10 Active learning: Verify various AM de-modulation techniques and importance of envelope detection

2Simulation using Matlab / Labview, Quiz

15 Conclusions and Summary

05 Conclusions and Summary

Session4: Learning Plan: AM Generators, Detection of AM waves including Envelope Detector.

Session Outcomes:

1. Understand the basic AM generation techniques2. Realize various AM detection techniques

Time Topic BTL Teaching-Learning Methods

05 Recap / Introduction

25 Sub topic-1 (Lecture)DSB-SC modulation techniques

1 PPT, Chalk board, Lectures

10 Interactive discussion on DSB-SC modulation techniques. Differentiating between DSB-SC and AM modulation

1 Numerical examples and problems

25 Active learning: Verify DSB-SC modulation for various signals (single tone, multi-tone and baseband signals)

1Simulation using Matlab,

Quiz

10 Active learning: Sub topic-2 Transmission bandwidth, power and efficiency of DSB-SC

1 Chalk board, Lectures, Quiz

20 Interactive discussion on performance of DSB-SC and AM 1Numerical examples and

problems05 Conclusions and Summary

6

Session5: Learning Plan: Multi-tone full AM modulation and Baseband full AM modulation.

Session Outcomes:1. Understand basic DSB-SC modulation techniques.2. Evaluate the performance of DSB-SC systems.

Time Topic BTL Teaching-Learning Methods

05 Recap / Introduction30 Sub topic-1 SSB generation 2 Lectures, Chalk board, PPT15 Interactive discussion: Differentiate and compare various SSB generators 2 Chalk board, Lectures, PPT

20 Active learning: Sub topic- 2: Coherent / Synchronous Detection of DSB-SC signals

2 PPT, Quiz

15 Interactive discussion: Phase and frequency error in detection of SSB 2 Chalk and board, Quiz

10 Active learning: Verify various SSB demodulation techniques 2 Simulation using Matlab / Labview, Quiz

05 Conclusions and Summary

Session6: Learning Plan: DSB-SC- Generation and Demodulation

Session Outcomes:1. Understand the basic DSB-SC generation techniques2. Realize various DSB-SC demodulation techniques

Time Topic BTL Teaching-Learning Methods

05 Recap / Introduction25 Active learning: Sub topic-1 VSB generation 2 PPT, Chalk board

10 Interactive discussion: Filters for VSB generation 2 Quiz, Chalk board, Numerical examples

20 Active learning: Sub topic-2: VSB detection 2 Numerical examples and problems

15 Interactive discussion: Filters for VSB detection 2 Quiz, Chalk board, Numerical examples

05 Conclusions and Summary

Session7: Learning Plan: Hilbert Transform, Single Tone SSB ModulationSession Outcomes:

1. Understand the Hilbert transform and generation of analytical signals for SSB modulation.2. Explore Single Side Band-AM modulation

Time Topic BTL Teaching-Learning Methods

05 Recap / Introduction20 Active learning: Sub topic-1 Introduction to Angle frequency Modulation 2 PPT, Lectures, Chalk board

20 Interactive discussion: Differentiating frequency, instantaneous frequency and modulation index etc 2 Lectures, Chalk board,

quiz, Numerical problems.30 Sub topic-2 Single-Tone angle Modulation (PM and FM) including 2 Chalk board, Lectures

7

mathematical treatment in both time domain and frequency domain.

15 Interactive discussion: Differentiating phase and frequency modulation 2 Lectures, Chalk board, quiz, Numerical problems.

05 Active learning: Verify PM and FM modulation for various signals 2 Simulation using Matlab / Labview, Quiz

05 Conclusions and Summary

Session8: Learning Plan: SSB generation and detection. Session Outcomes:

1. Understand the Hilbert transform and generation of analytical signals for SSB modulation.2. Explore Single Side Band-AM modulation

Time Topic BTL Teaching-Learning Methods

05 Recap / Introduction

30 Sub topic-1 Sampling theorem 2 Lectures, Chalk board

10 Active learning: Verify Sampling theorem 2 Simulation using Matlab / Labview, Quiz

20 Sub topic-2 Generation of PAM 2 Chalk board, Lectures

15 Active learning: Verify PAM generation 2 Simulation using Matlab / Labview, Quiz

15 Sub topic-3 Detection of PAM 2 PPT, Chalk board, Lectures

05 Verify detection of PAM 2 Simulation using Matlab / Labview, Quiz

Conclusions and Summary

Session9: Learning Plan: VSB wave Generation and detection. Session Outcomes:

1. Understand the VSB wave Generation 2. Investigate VSB detection

Time Topic BTL Teaching-Learning Methods

05 Recap / Introduction

30 Sub topic-2 Generation and detection of PWM 2 Chalk board, Lectures

20 Active learning: Verify PWM generation and detection 2 Simulation using Matlab / Labview, Quiz

25 Sub topic-3 Generation and detection of PPM 2 PPT, Chalk board, Lectures

15 Active learning: Verify PPM generation and detection 2Simulation using Matlab /

Labview, Numerical Examples

05 Conclusions and Summary

8

Session10: Learning Plan: Sampling theorem. Generation and detection of Pulse Amplitude Modulation(PAM)

Session Outcomes:

1. Verify Sampling theorem.

2. Understand Generation and detection of PAM.

Time Topic BTL Teaching-Learning Methods

05 Recap on session 9

25 Advantages of digital communication systems. 2 Chalk board, Lectures

25 Discussion on problems 2 Simulation using Matlab / Labview, Quiz

25 Active learning: Sampling Process 2 PPT, Numerical Examples

10Active learning: Discussion on problems

2Simulation using Matlab /

Labview, Numerical Examples

10 Conclusion & Summary

Session11: Learning Plan: Generation and detection of and Pulse Width Modulation (PWM) and Pulse Position

Modulation (PPM).

Session Outcomes:

1. Understand generation and detection of PWM.

2. Discover generation and detection of PPM.

Time Topic BTL Teaching-Learning Methods

05 Recap on session 10

25 Quantization process & Quantization noise 2 Chalk board, Lectures

20 Discussion on problems 2 Simulation using Matlab / Labview, Quiz

25 Active learning: Shannon’s Hartley theorem 2 PPT, Chalk board, Lectures

20Active learning: Discussion on problems, Bandwidth trade off

2Simulation using Matlab /

Labview, Numerical Problems

05 Conclusion & Summary

Session12: : Learning Plan: Introduction to Angle / Exponential Modulation Single-tone Angle Modulation.Session Outcomes:

1. Understand the basic angle modulation.2. Explore the mathematical analysis of basic FM and PM modulation.

Time Topic BTL Teaching-Learning Methods

9

05 Recap on session 1120 Time division multiplexing 2 Chalk board, Lectures

20Active learning: Discussion on Problems

2Simulation using Matlab /

Labview, Numerical Problems

20 Pulse code modulation, noise considerations in PCM 2 PPT, Chalk board, Lectures

25Active learning: Discussion on Problems

2Simulation using Matlab /

Labview, Numerical Problems

05 Conclusion & Summary

Session13: Learning Plan: Phase and Frequency deviation and Modulation indices. Narrowband Angle Modulation. Session Outcomes:

1. Interpret the Phase and Frequency deviation and Modulation indices.2. Understand the narrowband Angle Modulation

Time Topic BTL Teaching-Learning Methods

05 Recap on session 1225 DPCM, Adaptive DPCM 2 PPT, Lectures, Chalk board

20 Discussion on PCM,DPCM 2 Lectures, Chalk board, quiz, Numerical problems.

25 Active learning: Program on PCM, DPCM, Adaptive DPCM 2 PPT, Chalk board

20 Active learning: PCM Using MATLAB 2 Chalk board, quiz, Numerical problems.

05 Conclusion & Summary

Session14: Learning Plan: Wide Band Angle Modulation. Bandwidth of FM. Session Outcomes:

1. Understand Wide Band FM2. Explore Carson’s rule for bandwidth of WBFM.

Time Topic BTL Teaching-Learning Methods

05 Recap on session 1320 Probability of error for different modulation schemes 2 Lectures, Chalk board

30 Active learning: Discussion on how to reduce probability of error 2 PPT, Lectures, Chalk board, quiz, Numerical problems.

15 Coherent Phase shift keying 2 Simulation using Matlab, lecture

25 Active learning: Discussion on Error Probability 2 Chalk board, Lectures05 Conclusion & Summary

Session15: Learning Plan: Effect of Modulation Index on Bandwidth. Indirect FM Generation.Session Outcomes:

1. Effect of Modulation Index on Bandwidth and power. 2. Generation of indirect FM.

Time Topic BTL Teaching-Learning Methods

05 Recap on session 1410

20 Binary Phase Shift keying, 2 Lectures, Chalk board

25 Active learning: Constellation for BPSK, 2 PPT, Lectures, Chalk board, quiz, Numerical problems.

25 Generation of BPSK 2 Chalk board, Lectures

20 Active learning: Discussion on results 2 Lectures, Chalk board, quiz, Numerical problems.

05 Conclusion & Summary

Session16: Learning Plan: Direct Method of FM Generation. Detection of FM.Session Outcomes:

1. Interpret the direct method of FM generation techniques.2. Explore FM demodulation techniques.

Time Topic BTL Teaching-Learning Methods

05 Recap on session 2620 Generation and Detection of DPSK 2 Lectures, Chalk board

10 Active learning: Discussion on problems 2 Chalk board, Numerical Problems

40 Signal Space Analysis for DPSK 2 PPT, Chalk board, Lectures20 Active learning: Discussion on Signaling schemes and bit error rate. 2 Numerical Problems, Quiz05 Conclusion & Summary

Session17: Learning Plan: Introduction to PLL , FM Demodulation using PLL.Session Outcomes:

1. Understand the basic PLL system.2. Explore FM Demodulation using PLL

Time Topic BTL Teaching-Learning Methods

05 Recap on session 19

15 Generation of QPSK 2 PPT, Lectures, Chalk board

15 Active learning: Constellation diagram of QPSK 2 Quiz, Chalk Board

20 Offset QPSK 2 Chalk board, Lectures

40 Active learning: Discussion on Problems 2 Quiz, Numerical Problems

05 Conclusion & Summary

Session18: Learning Plan: Introduction to AM transmitters. AM receivers, AM Super heterodyne receivers.

Session Outcomes:

1. Understand the basic AM transmitters.

2. Explore AM receiving structures.

Time Topic BTL Teaching-Learning Methods

05 Recap / Introduction

20 QAM 2 PPT, Lectures, Chalk board

10 Bandwidth, efficiency 2 Chalk board, Lectures

11

35 Active learning: Carrier recovery 2 Quiz, Numerical Examples

20 Active learning: Clock recovery 2 Group Discussion, Quiz

05 Conclusion & Summary

Session19: Learning Plan: Receiver parameters and AGC. SSB Transmitters and receivers

Session Outcomes:

1. Interpret the receiver parameters and AGC.2. Explore the SSB Transmitters and Receivers.

Time Topic BTL Teaching-Learning Methods

05 Recap / Introduction

20 Active learning: Information theory 2Group Discussion, video

lecture

10 Concept of uncertainty 2 Chalk board, Lectures

35 Entropy 2 PPT, Chalk board, Lectures

20 Active learning: Source coding theorem 2 Numerical Examples, Quiz

05 Conclusions and Summary 2 PPT, Chalk board, Lectures

Session 20: FM Transmitters and Receivers , Pre-emphasis & de-emphasis

Session Outcomes:

1. Explore FM Transmitters and Receivers.2. Interpret Pre-emphasis and De-emphasis in FM systems.

Time Topic BTL Teaching-Learning Methods

05 Recap / Introduction

30 Active learning: Measure of information 2 Lectures, Chalk board

10 Encoding of source output 2 Chalk board, Lectures, quiz

20 Communication channels 2 Chalk board, Lectures

10 Continuous channels 2 Chalk board, Lectures, quiz

20 Active learning: Implication of Shannon theorem 2 Simulation using Matlab / Labview, Quiz

05 Conclusions and Summary

12

Session 21: Learning Plan: Introduction to Noise, Noise performance in DSBSC

Session Outcomes:

1. Understand the concept of Noise and its parameters.2. Noise performance in baseband and DSBSC receiver systems.

Time Topic BTL Teaching-Learning Methods

05 Recap / Introduction

15 Active learning: Control coding errors 2 PPT, Video lecture

10 Types of errors 2 Chalk board, Lectures

15 Types of codes 2 Chalk board, Lectures

30Active learning: Linear block codes. Matrix description of linear block

codesChalk board, Matlab

10 Binary cyclic codes 2 Chalk board, Lectures

05 Conclusions and Summary 2 Chalk board, Lectures

Session 22: Learning Plan: Noise performance in SSB, Noise performance in Envelope Detector

Session Outcomes:

1. Noise performance of SSB-SC receiver systems.2. Noise performance of Envelope Detector.

Time Topic BTL Teaching-Learning Methods

05 Recap / Introduction

20 Active learning: Algebraic structure of cycle codes 2 PPT, Chalk board, Lectures

10 Special classes of cyclic codes 2 Chalk board, Lectures

30 Active learning: Error detection and correction 2 Chalk board, Lectures

20 Encoding using shift register 2 Chalk board, Lectures

05 Conclusions and Summary

Session 23: Learning Plan: Noise performance of FM systems. SNR improvement.Session Outcomes:

1. Noise performance of FM systems2. SNR improvement in FM receiving systems

Time Topic BTL Teaching-Learning Methods

05 Recap / Introduction30 Convolution codes 2 Lectures, Chalk board

15 Active learning: Encoders for convolution codes 2 Simulation using Matlab, Numerical Examples

13

30 Decoders for convolution codes 2 Chalk board, Lectures15 Active learning: Performance of convolution codes 2 PPT, Quiz05 Conclusions and Summary

Session 24: Tutorial Plan: Review of Syllabus1. A.M Modulation and Demodulation Techniques2. F.M Modulation and Demodulation Techniques3. Pulse Modulation and Demodulation Techniques.

Time Topic BTL Teaching-Learning Methods

05 Recap / Introduction

35Revision of A.M Modulation and Demodulation Techniques

2

PPT, Chalk board, Lectures

35Revision of F.M Modulation and Demodulation Techniques

2Chalk board, Lectures

20 Revision of Pulse Modulation and Demodulation Techniques 2 Chalk board, Lectures05 Conclusions and Summary

Session 25: Tutorial Plan: Review of Syllabus1. AM Transmitters and Receivers2. F.M.Transmitters and Receivers 3. Noise performance in AM and FM.

Time Topic BTLTeaching-Learning

Methods05 Recap / Introduction

40 Revision of digital Transmitters and Receivers 2PPT,Chalk board, Lectures

30 Revision of Information theory and coding 2 Chalk board, Lectures20 Revision of Cyclic and Convolution codes 2 Chalk board, Lectures05 Conclusions and Summary

EVALUATION PLAN:

Evaluation Component

Weightage/Marks Date

Duration (Hours)

CO 1 CO 2 CO 3 CO 4 CO5

COI Number

1 2 3 1 2 3 1 2 3 1 2 1 2

BTL

1 2 2 1 2 2 2 2 2 2 2 3 3

Test 1Weightage

(7.5%) 90 mts2.5 2.5 2.5

Max Marks (30) 10 10 10

Test 2Weightage

(7.5%) 90 mts

2.5 2.5 2.5

Max Marks

(30) 10 10 10

Test 3Weightage

(7.5%) 90 mts

2.5 2.5 2.5

Max Marks

(30) 10 10 10

Active Weightage 0.625

0.625 0.625 0.625

0.625 0.625 0.625 0.625 0.625 0.625 0.625 0.625

14

Learning(7.5%)

Max Marks (15) 1.25 1.25 1.25 1.25 1.25 1.25 1.25 1.25 1.25 1.25 1.25 1.25

Attendance Weightage (5%) Equal weightage for all the lecture sessions (5%)

Lab Experiment

Weightage (5%) 2 hrs

5

Max Marks(50)

50

SE Lab Exam

Weightage (5%) 2 hrs

5

Max Marks (50) 50

SE ProjectWeightage

(10%) 2 hrs10

Max Marks (50) 50

Semester End Exam

Weightage (45%)

3 hrs

3 3 3 3 3 3 3 3 3 6 6 6 Max Marks

(60) 4 4 4 4 4 4 4 4 4 8 8 8

Question Number 1 1 1 2 2 2 3 3 3 4 4 4

Course Team members, Chamber Consultation Hours and Chamber Venue details:

S.No. Name of Faculty Chamber Consultation Day(s)

Chamber Consultation Timings for

each day

Chamber Consultation Room

No:

Signature of Course faculty

1 Dr. K S Ramesh All Days C-323

2 Mrs. C. Cynthia All Days C-323

Signature of COURSE COORDINATOR:

Recommended by HEAD OF DEPARTMENT:

Approved By: DEAN-ACADEMICS

(Sign with Office Seal)

15